Outlook 2010 Move auto complete list between installation

A customer had a crash (SSD drive brok) so we reinstalled Win 7 HP64 and application.

Old installation used POP mail acounts, new installation uses IMAP.

I managed to rescue the old .PST files from the first installation.

The system works fine now except the auto complete list from the old installation probably hides somewhere in the old PST files. I understand they were moved there in Outlook 2010. In earlier Outlook versions they resided in a separate file.

THe customer has never saved contacts but relied on the autocomplete function to save email adresses. This is a consultant and she desperately need to recover the email adresses to all contacts.

2010 uses suggested contacts. Open up the contacts and choose the suggested contacts. In there is where all the contacts are stored. As mentioned above the autocomplete list should be fixed if you use scanpst

You will need to get the file C:\Users\<username>\AppData\Local\Microsoft\Outlook\RoamCache\Stream_Autocomplete_0_<GUID>.dat from the old PC. Find the same file (different GUID) on the new PC and rename it to .bak. Copy the file from the old PC to the same location on the new PC and rename the file so that the GUID matches the GUID on the new PC.

Moving of the file C:\Users\username>\AppData\Local\Microsoft\Outlook\RoamCache\Stream_Autocomplete_0_<GUID>.dat
Seemed to work fine. The customer was not present when I did the move, but there are now long nice autocomplete lists with valid email addresses so I am convinced that it has worked.

As for the sugestions to use scanpst, I am a bit confused. I can not see how running scanpst on an old .PST file would affect autocomplete lists on a new installation. OK, the old .pst files are temporarily used as "Archives" on the new installation, but will be removed as soon as we are confident that all relevant data exist in the new installation. The reason that the old pst files are not used is that we switched from usin POP to using IMAP accounts.

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This video shows how to remove a single email address from the Outlook 2010 Auto Suggestion memory.
NOTE: For Outlook 2016 and 2013 perform the exact same steps.
Open a new email: Click the New email button in Outlook.
Start typing the address: …